A transform operation that projects columns. Operations that come after a projection can only refer to projected columns.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{
"ProjectedColumns" : [ String, ... ]
}
YAML
ProjectedColumns:
- String
Properties
ProjectedColumns
-
Projected columns.
Required: Yes
Type: Array of String
Minimum:
0
Maximum:
2000
Update requires: No interruption